$blue:#2E94B9;

@mixin wh($width,$height) {
  height: $height;
  width: $width;
}

@mixin circle(){
  width: 100px;
  height: 100px;
  text-align: center;
  color: #fff;
  line-height:100px;
  border-radius:100px;
  margin: 10px;
}